<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Title</title>
    <meta charset="UTF-8">
</head>
<body>
<form th:action="@{/aaa}" method="post">
    账号： <input type="text" name="username">
    <br>
    密码： <input type="text" name="password">
    <br>
    <input type="submit" value="提交">
</form>
</body>
</html>
